Machine vise



FIG. 1 is a reduced perspective view of a machine vise showing our new design;

FIG. 2 is a side elevation taken from the right of FIG. 1;

FIG. 3 is a front elevation.

FIG. 4 is a rear elevation.

FIG. 5 is a top plan view. 

The ornamental design for machine vise, as shown and described. 